CN216667796U - Heat supply system - Google Patents

Heat supply system Download PDF

Info

Publication number
CN216667796U
CN216667796U CN202220249351.6U CN202220249351U CN216667796U CN 216667796 U CN216667796 U CN 216667796U CN 202220249351 U CN202220249351 U CN 202220249351U CN 216667796 U CN216667796 U CN 216667796U
Authority
CN
China
Prior art keywords
pipeline
water
spent fuel
cooling
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220249351.6U
Other languages
Chinese (zh)
Inventor
霍焕广
宋广亮
刘小云
程道仓
唐辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hualong International Nuclear Power Technology Co Ltd
Original Assignee
Hualong International Nuclear Power Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hualong International Nuclear Power Technology Co Ltd filed Critical Hualong International Nuclear Power Technology Co Ltd
Priority to CN202220249351.6U priority Critical patent/CN216667796U/en
Application granted granted Critical
Publication of CN216667796U publication Critical patent/CN216667796U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The utility model provides a heating system, which is applied to a spent fuel pool and comprises: the system comprises a spent fuel pool, a first cooling loop and a first heat supply loop; the spent fuel pool comprises a cavity for storing spent fuel and a side wall, and the side wall is provided with a first opening; the first cooling loop comprises a first water taking pipeline, a first heat exchanger, a first water discharging pipeline, a first cooling water inlet pipeline and a first cooling water outlet pipeline; the two ends of the first water taking pipeline are respectively connected with a first opening of the spent fuel water pool and a first end of the first heat exchanger, the two ends of the first water draining pipeline are respectively connected with a second end of the first heat exchanger and a water inlet of the spent fuel water pool, and the first cooling water pipeline and the first cooling water draining pipeline are respectively connected with a third end and a fourth end of the first heat exchanger; the first heat supply loop comprises a second water taking pipeline, a heater and a second water discharging pipeline, and the spent fuel sequentially flows through the second water taking pipeline, the heater, the user heating equipment and the second water discharging pipeline and finally flows to the first water discharging pipeline to return to the spent fuel water pool. The utility model can improve the energy utilization efficiency in the spent fuel pool.

Description

Heat supply system
Technical Field
The utility model relates to the technical field of cooling and heating, in particular to a heating system.
Background
Spent fuel, also known as irradiated nuclear fuel, is irradiated and used fuel, which is generally produced by a nuclear reactor of a nuclear power plant, and the produced spent fuel is stored in a spent fuel pool. The cooling system of the spent fuel pool carries out the heat in the spent fuel, and the water temperature in the spent fuel pool is kept stable.
In the prior art, the cooling system of the spent fuel pool absorbs and discharges the heat in the spent fuel, so as to keep the temperature in the spent fuel pool stable, generally, the heat in the spent fuel is taken out through cooling water, the cooling water with the heat is cooled through heat exchange, and the heat is finally discharged to the sea or other areas (atmosphere) to complete the cooling treatment of the spent fuel pool, so that the energy utilization efficiency in the spent fuel pool is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a heating system to solve the problem of low energy utilization efficiency of a spent fuel pool.
In order to achieve the above object, an embodiment of the present invention provides a heating system, which includes a spent fuel pool, a first cooling loop and a first heating loop; the spent fuel pool comprises a cavity for storing spent fuel and a side wall, and the side wall is provided with a first opening; the first cooling loop comprises a first water taking pipeline, a first heat exchanger, a first water discharging pipeline, a first cooling water inlet pipeline and a first cooling water outlet pipeline; the first end of the first water taking pipeline penetrates through the first opening to be communicated with the spent fuel pool, the second end of the first water taking pipeline is connected with the first end of the first heat exchanger, the second end of the first heat exchanger is connected with the first water draining pipeline, and the second end of the first water draining pipeline is arranged inside the cavity of the spent fuel pool; the first end of the first cooling water inlet pipeline is connected with a cooling water pool, the second end of the first cooling water inlet pipeline is connected with the third end of the first heat exchanger, the first end of the first cooling water outlet pipeline is connected with the fourth end of the first heat exchanger, and the second end of the first cooling water outlet pipeline is connected with a treatment pool; the first heat supply loop comprises a second water taking pipeline, a heater and a second water draining pipeline; the utility model discloses a water heater, including first cooling water inlet pipe, second water intaking pipe's first end connect in the first position of first cooling water inlet pipe, the first end of second water intaking pipe connect the first end of user's heating equipment, the second end of second water intaking pipe connect in first cooling water outlet pipe's second position, the heater set up in the third position of second water intaking pipe, the third position is located in the middle of first position and user's heating equipment.
According to the technical scheme, the system comprises a spent fuel pool, a first cooling loop and a first heat supply loop; the spent fuel pool comprises a cavity for storing spent fuel and a side wall, and the side wall is provided with a first opening; the first cooling loop comprises a first water taking pipeline, a first heat exchanger, a first water discharging pipeline, a first cooling water inlet pipeline and a first cooling water outlet pipeline; the first end of the first water taking pipeline penetrates through the first opening to be communicated with the spent fuel pool, the second end of the first water taking pipeline is connected with the first end of the first heat exchanger, the second end of the first heat exchanger is connected with the first water draining pipeline, and the second end of the first water draining pipeline is arranged inside the cavity of the spent fuel pool; the first end of the first cooling water inlet pipeline is connected with a cooling water pool, the second end of the first cooling water inlet pipeline is connected with the third end of the first heat exchanger, the first end of the first cooling water outlet pipeline is connected with the fourth end of the first heat exchanger, and the second end of the first cooling water outlet pipeline is connected with a treatment pool; the first heat supply loop comprises a second water taking pipeline, a heater and a second water draining pipeline; the utility model discloses a water heater, including first cooling water inlet pipe, second water intaking pipe's first end connect in the first position of first cooling water inlet pipe, the first end of second water intaking pipe connect the first end of user's heating equipment, the second end of second water intaking pipe connect in first cooling water outlet pipe's second position, the heater set up in the third position of second water intaking pipe, the third position is located in the middle of first position and user's heating equipment. The system transports spent fuel in a spent fuel pool to a first heat exchanger through a first water taking pipeline, a first cooling water inlet pipeline and a first cooling water outlet pipeline which are connected with the first heat exchanger transport cooling water to take away heat in the spent fuel, the spent fuel with reduced heat is transported back to the spent fuel pool through a first water drainage pipeline, the cooling operation of the spent fuel is a safe basis of heat supply operation, the spent fuel in the pool enters a first heat supply loop at a safe temperature, a user utilizes the heat energy in the spent fuel to supply equipment heat energy demand, after the user utilizes the heat energy in the spent fuel, the spent fuel is transported back to the spent fuel pool through the action of a water pump, and the system can improve the energy utilization efficiency in the spent fuel pool.
It should be understood that the statements in this section are not intended to identify key or critical features of the embodiments of the present invention, nor are they intended to limit the scope of the utility model. Other features of the present invention will become apparent from the following description.
Drawings
The drawings are included to provide a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:
FIG. 1 is a block diagram of a heating system provided by the present disclosure;
FIG. 2 is another block diagram of a heating system provided by the present disclosure;
fig. 3 is a schematic structural diagram of a heating system provided by the present disclosure.
Detailed Description
The following description of the exemplary embodiments of the present application, taken in conjunction with the accompanying drawings, includes various details of the embodiments of the application for the understanding of the same, which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Referring to fig. 1, fig. 1 is a structural diagram of a heating system provided by the present disclosure, and as shown in fig. 1, the heating system includes a spent fuel pool 1, a first cooling loop 2 and a first heating loop 3; the spent fuel pool 1 comprises a cavity 11 for storing spent fuel and a side wall 12, wherein the side wall 12 is provided with a first opening; the first cooling circuit 2 comprises a first water taking pipeline 21, a first heat exchanger 22, a first water discharging pipeline 23, a first cooling water inlet pipeline 24 and a first cooling water outlet pipeline 25; a first end of the first water intake pipe 21 penetrates through the first opening to be communicated with the spent fuel pool 1, a second end of the first water intake pipe 21 is connected with a first end of the first heat exchanger 22, a second end of the first heat exchanger 22 is connected with the first water exhaust pipe 23, and a second end of the first water exhaust pipe 23 is arranged inside the cavity 11 of the spent fuel pool; a first end of the first cooling water inlet pipeline 24 is connected with a cooling water pool, a second end of the first cooling water inlet pipeline 24 is connected with a third end of the first heat exchanger 22, a first end of the first cooling water outlet pipeline 25 is connected with a fourth end of the first heat exchanger 22, and a second end of the first cooling water outlet pipeline 25 is connected with a treatment pool; the first heating circuit 3 comprises a second water intake conduit 31, a heater 32 and a second water discharge conduit 33; the first end of second water intaking pipeline 31 connect in the first position of first cooling water inlet pipe 24, the first end of user's heating equipment is connected to the second end of second water intaking pipeline 31, the second end of user's heating equipment is connected to the first end of second drainage pipeline 33, the second end of second drainage pipeline 33 connect in the second position of first cooling water outlet pipe 25, heater 32 set up in the third position of second water intaking pipeline 31, the third position is located in the middle of first position and user's heating equipment.
The spent fuel pool 1 is used for storing spent fuel, the spent fuel in the spent fuel pool 1 is cooled by the first cooling circuit 2 and then returned to the spent fuel pool 1, and similarly, the spent fuel in the spent fuel pool 1 can also be returned to the spent fuel pool 1 by the first cooling circuit 2 and the first heat supply circuit 3.
In this embodiment, the spent fuel pool 1 includes a cavity 11 and a sidewall 12, a first end of the first water intake pipe 21 passes through a first opening of the sidewall 12, and spent fuel in the spent fuel pool 1 flows into the first water intake pipe 21 through the first opening, wherein the first opening can be arranged at a central position of the sidewall 12, so as to improve the efficiency of taking out spent fuel.
The taken spent fuel is delivered to the first heat exchanger 22 through the first water intake pipe 21, meanwhile, the first end of the first cooling water inlet pipe 24 is connected to a cooling water pool, the second end of the first cooling water inlet pipe 24 is connected to the third end of the first heat exchanger 22, the first end of the first cooling water outlet pipe 25 is connected to the fourth end of the first heat exchanger 22, the cooling water in the cooling water pool is introduced into the first heat exchanger 22, the heat of the spent fuel in the first heat exchanger 22 is taken away, and the spent fuel is discharged through the first cooling water outlet pipe 25, so that the spent fuel is cooled.
It should be noted that the spent fuel treated by the cooling water enters the first drainage pipe 23, and flows back to the cavity 11 guided by the first drainage pipe 23, wherein the second end of the first drainage pipe 23 may be disposed in the cavity 11 of the spent fuel pool 1 at a certain height, which may be determined by the condition of the actual spent fuel pool 1, for example: a second end of the first drain pipe 23 is disposed at a height lower than a liquid level in the spent fuel pool 1. With this arrangement, the cooled spent fuel can be returned to the spent fuel pool 1 again.
The first heating circuit 3 comprises a second water intake pipe 31, a heater 32 and a second water discharge pipe 33; a first end of the second water intake pipe 31 is connected to a first position of the first cooling water inlet pipe 24, a second end of the second water intake pipe 31 is connected to a first end of the user heating equipment, a first end of the second water discharge pipe 33 is connected to a second end of the user heating equipment, a second end of the second water discharge pipe 33 is connected to a second position of the first cooling water outlet pipe 25, the heater 32 is disposed at a third position of the second water intake pipe 31, and the third position is located between the first position and the user heating equipment.
Wherein the spent fuel enters the first heating loop 3 from the second water intake pipe 31, passes through the heater 32 in sequence, increases the heat quantity of the spent fuel to the requirement standard of the user, passes through the heating equipment for use, and is discharged from the second water discharge pipe 33 to the first cooling water outlet pipe 25 after being used by the user, then returns to the first heat exchanger 22, and finally returns to the spent fuel water pool 1 through the first water discharge pipe 23.
In addition, in the first heat supply loop 3, if the heat quantity does not reach the use standard of the user, that is, the heat quantity in the spent fuel pool is insufficient, a multi-heat-source heater can be additionally arranged for supplying the heat source, so that the use requirement of the user is met.
It should be noted that the multi-heat source heater may be an electric heater, a steam heater, a hot water heater, a gas heater or an oil heater disposed in the first heat supply loop 3, and the specific arrangement of the heater is determined by the specific requirements of the heat supply system, which is not limited in this embodiment of the present invention.
It should be understood that the cooling process and the heating process can be performed simultaneously, and in order to maintain the normal operation of the cooling and heating functions, a valve can be provided in the main pipe or the branch pipe, and the normal operation of the cooling process and the heating process can be maintained through the control of the valve.
In this embodiment, the spent fuel in the spent fuel pool enters the first water intake pipe 21 of the first cooling circuit through the first opening on the side wall 12, the first water intake pipe 21 is connected with the first heat exchanger 22, the spent fuel taken out enters the first heat exchanger 22, two ports of the first heat exchanger 22 are respectively connected with the first cooling water inlet pipe 24 and the first cooling water outlet pipe 25, the cooling water enters the first heat exchanger 22 through the first cooling water inlet pipe 24, the heat of the spent fuel in the first heat exchanger 22 is taken away, and the spent fuel is discharged through the first cooling water outlet pipe 25, the cooled spent fuel flows back to the spent fuel pool 1 through the first water discharge pipe 23, and meanwhile, the spent fuel cooled to a set temperature can enter the first heat supply circuit 3, the heat in the first heating loop 3 is raised to the user's requirement setting by the heater 32 in the first heating loop, so that the spent fuel used by the user is discharged from the second water discharge pipeline 33 to the first cooling water outlet pipeline 25, then returned to the first heat exchanger 22, and finally returned to the spent fuel water pool 1 through the first water discharge pipeline 23. Through the setting of this structure, do cooling and heat supply with the spent fuel in the spent fuel pond 1 and handle, improved the energy utilization efficiency to in the spent fuel pond.
As an alternative embodiment, please refer to fig. 1, the heating system further includes: a first cooling pump 211, wherein the first cooling pump 211 is disposed in the first water intake pipe 21.
In this embodiment, the first cooling pump 211 is configured to push the obtained spent fuel into the first heat exchanger 22 or the first heat supply loop 3, which provides a possibility for normal operation of the heat supply system, and on the other hand, in addition to the configuration of the first cooling pump 211, a plurality of cooling pumps may be configured, which reduces the possibility of abnormal operation of the cooling loop due to failure of one cooling pump and improves the safety of the heat supply system.
As an alternative embodiment, please refer to fig. 1, the heating system further includes: and the circulating pump 331 is arranged in the second water drainage pipeline 33.
In this embodiment, the circulation pump 331 is configured to successfully deliver the spent fuel used by the user back to the first heat exchanger 22 and then to the spent fuel pool 1 through the first drainage conduit 23, so that the feasibility of normal operation of the heating system is improved through the arrangement of the circulation pump 331.
As an alternative embodiment, please refer to fig. 1, the first water intake pipe 21 is provided with at least one control valve 212.
In this embodiment, the control valve 212 improves the control operability of the loop in the heating system, reduces the possibility of the spent fuel entering the non-target pipeline, and also improves the safety of the heating system and the feasibility of normal operation of the heating system.
It should be noted that, other pipes in the heating system may be additionally provided with corresponding control valves to control the opening and closing of the loop in the system, and the position and the number of the control valves may be determined according to the actual requirements of the heating system, which is not limited in this embodiment of the present invention.
As an alternative embodiment, please refer to fig. 1, the heating system further includes: the first flow meter 231 and the first flow orifice 232 are sequentially arranged from a first end to a second end of the first drainage pipe 23, the first flow meter 231 is arranged in the first drainage pipe 23, and the first flow orifice 232 is arranged in the first drainage pipe 23.
In this embodiment, the first flow meter 231 may be configured to measure a flow rate of the first cooling circuit 2, and the first orifice 232 may be configured to measure a flow rate as a flow rate measuring means or limit a flow rate as a throttling means, and the first orifice 232 may be configured to reduce a pressure in the pipe. The flow of the first cooling circuit 2 can be detected in real time through the arrangement of the first flow meter 213 and the first flow orifice 232, on the other hand, the flow of the spent fuel in the pipeline can be limited, the pressure in the pipeline can be reduced, and the flow of the spent fuel can be adjusted according to the measured information, so that the safety of the heating system is improved.
As an alternative embodiment, please refer to fig. 1, the heating system further includes: a siphon breaker 233, the siphon breaker 233 being disposed at a second end of the first drain pipe 23.
In this embodiment, the siphon break 233 is provided at the second end of the first drain pipe 23, and the second end of the first drain pipe 23 is provided at a constant height inside the spent fuel pool 1, and the height may be set to be lower than the liquid level of the spent fuel pool.
The siphon breaker 233 may fill a reversed U-shaped tubular structure with liquid by using the action force of the height difference of the liquid level, and then set the higher end of the opening in the spent fuel pool, so that the solution in the spent fuel pool will continuously flow out to a lower position through the siphon pipe. The siphon breaker 233 is disposed to prevent a backflow of the spent fuel in the first drain pipe 23 and above the liquid level of the spent fuel pool 1, thereby improving a normal operation of the heating system.
As an alternative embodiment, please refer to fig. 2, the heating system further includes: a second cooling circuit 4 comprising a third water intake conduit 41, a second heat exchanger 42, a third water discharge conduit 43, a second cooling water inlet conduit 44 and a second cooling water outlet conduit 45; a first end of the third water intake pipe 41 is connected to the fourth position of the first water intake pipe 21, a second end of the third water intake pipe 41 is connected to a first end of the second heat exchanger 42, a second end of the second heat exchanger 42 is connected to the third water discharge pipe 43, and a second end of the third water discharge pipe 43 is connected to the fifth position of the first water discharge pipe 23; the first end of the second cooling water inlet pipe 44 is connected with the cooling water pool, the second end of the second cooling water inlet pipe 44 is connected with the third end of the second heat exchanger 42, the first end of the second cooling water outlet pipe 45 is connected with the fourth section of the second heat exchanger 42, and the second end of the second cooling water outlet pipe 45 is connected with the treatment pool.
The second cooling circuit 4 may be installed to be operated in parallel with the first cooling circuit 2, and the second cooling circuit 4 may be installed to be operated in parallel with the first cooling circuit 2, so that the spent fuel taken out of the spent fuel pool 1 is branched to the first water taking pipe 21 and the third water taking pipe 41 by connecting the first end of the third water taking pipe 41 to the fourth position of the first water taking pipe 21.
Taking the example that the heating system includes the first cooling circuit 2, the first heating circuit 3, and the second cooling circuit 4, the heating system corresponds to different working modes under different working conditions.
Under the working condition that the spent fuel pool needs to be cooled and the power of the spent fuel pool runs to the maintenance cold shutdown, the spent fuel pool cooling and heating system can take away the heat load in the spent fuel only by running a row of cooling loops, during normal operation, the heat load in the spent fuel pool is small, the cooling treatment of the spent fuel can be completed by running the first cooling loop 2 or the second cooling loop 4, so that the temperature in the spent fuel pool is within a limited range, and in addition, the first heating loop 3 does not participate in the work in the cooling process.
Under the working conditions that the spent fuel pool needs to be cooled and the unit is reloaded and shut down, due to the fact that fuel of a component or a reactor core is added in the spent fuel pool, the heat load in the spent fuel pool is large, at the moment, a cooling and heat supply system of the spent fuel pool needs to operate two rows of cooling loops, namely the first cooling loop 2 and the second cooling loop 4, at the moment, the heat load in the spent fuel pool can be led out, the temperature of the spent fuel pool is maintained within a limited temperature, and in addition, in the cooling process, the first heat supply loop 3 does not participate in working.
Under the working condition that the spent fuel pool normally operates the heat supply loop, the cooling loop and the heat supply loop in the system simultaneously participate in operation, and a pump set in the cooling loop and the heat exchanger can be operated in a crossed mode through communicated pipelines.
In this embodiment, the second cooling circuit 4 is added to the spent fuel pool cooling and heating system, so that the cooling capacity of the system is improved, and the safety of the spent fuel pool cooling and heating system is improved.
As an alternative embodiment, as shown in fig. 2, the heating system further includes: an inter-row header 44, a first end of the inter-row header 44 being connected to the sixth position of the first water intake pipe 21, and a second end of the inter-row header 44 being connected to the seventh position of the third water intake pipe 41; the distance from the sixth location to the first heat exchanger is less than the distance from the fourth location to the first heat exchanger.
In this embodiment, the first end of the inter-row connecting pipe 44 is connected to the sixth position of the first water intake pipe 21, the second end of the inter-row connecting pipe 44 is connected to the seventh position of the third water intake pipe 41, and the first cooling circuit 2 and the second cooling circuit 4 are communicated through the arrangement of the structure, so that the working circuits can be better distributed, the working efficiency is improved, and on the other hand, the possibility that the whole system cannot normally operate due to the failure of one cooling circuit is reduced, and the safety of the system is further improved.
In addition, the fact that the distance from the sixth position to the first heat exchanger is smaller than the distance from the fourth position to the first heat exchanger means that the inter-column connecting pipe 44 is provided after the third intake pipe 41 is connected to the first intake pipe 21.
As an alternative embodiment, as shown in fig. 2, the heating system further includes: and the second cooling pump 411, wherein the second cooling pump 411 is arranged in the second water taking pipe.
In this embodiment, the second cooling pump 411 is configured to push the obtained spent fuel into the second heat exchanger 42 or the first heating circuit 3, which provides a possibility for normal operation of the heating system, and on the other hand, in addition to the configuration of the second cooling pump 411, a plurality of cooling pumps may be further configured, so as to reduce the possibility of abnormal operation of the cooling circuit due to failure of one cooling pump and improve the safety of the heating system.
As an alternative embodiment, the secondary water intake conduit is provided with at least one control valve 412.
In this embodiment, the control valve 412 is provided to improve the control operability of the loop in the heating system, reduce the possibility of the spent fuel entering the non-target pipeline, and improve the safety of the heating system and the feasibility of normal operation of the heating system.
In addition, other pipes in the heating system may be provided with corresponding control valves to control the opening and closing of the circuit in the system, and the positions and the number of the control valves may be determined according to the actual requirements of the heating system, which is not limited in the embodiment of the present invention.
As an alternative embodiment, as shown in fig. 2, the heating system further includes a second flow meter 431 and a second flow orifice 432 disposed in the third water discharge pipeline 43.
In this embodiment, the second flow meter 431 may be used to measure the flow rate of the second cooling circuit 4, and the second flow orifice 432 may be used to measure the flow rate as a flow rate measuring means or to limit the flow rate as a throttling means, and the second flow orifice 432 may be used to reduce the pressure in the pipe. The flow of the second cooling circuit 4 can be detected in real time through the arrangement of the second flow meter 413 and the second flow orifice 432, on the other hand, the flow of the spent fuel in the pipeline can be limited, the pressure in the pipeline can be reduced, and the flow of the spent fuel can be adjusted according to the measured information, so that the safety of the heating system is improved.

Claims (10)

1. A heating system is characterized by comprising a spent fuel pool, a first cooling loop and a first heating loop;
the spent fuel pool comprises a cavity for storing spent fuel and a side wall, and the side wall is provided with a first opening;
the first cooling circuit comprises a first water taking pipeline, a first heat exchanger, a first water discharging pipeline, a first cooling water inlet pipeline and a first cooling water outlet pipeline;
the first end of the first water taking pipeline penetrates through the first opening to be communicated with the spent fuel pool, the second end of the first water taking pipeline is connected with the first end of the first heat exchanger, the second end of the first heat exchanger is connected with the first water draining pipeline, and the second end of the first water draining pipeline is arranged inside the cavity of the spent fuel pool;
the first end of the first cooling water inlet pipeline is connected with a cooling water pool, the second end of the first cooling water inlet pipeline is connected with the third end of the first heat exchanger, the first end of the first cooling water outlet pipeline is connected with the fourth end of the first heat exchanger, and the second end of the first cooling water outlet pipeline is connected with a treatment pool;
the first heat supply loop comprises a second water taking pipeline, a heater and a second water draining pipeline;
the utility model discloses a water heater, including first cooling water inlet pipe, second water intaking pipe's first end connect in the first position of first cooling water inlet pipe, the first end of second water intaking pipe connect the first end of user's heating equipment, the second end of second water intaking pipe connect in first cooling water outlet pipe's second position, the heater set up in the third position of second water intaking pipe, the third position is located in the middle of first position and user's heating equipment.
2. A heating system according to claim 1, characterized in that the heating system further comprises: the first cooling pump is arranged in the first water taking pipeline.
3. A heating system according to claim 1, characterized in that the heating system further comprises: and the circulating pump is arranged in the second water drainage pipeline.
4. A heating system according to claim 1, wherein the first water intake conduit is provided with at least one control valve.
5. A heating system according to claim 1, characterized in that the heating system further comprises: the first flowmeter and the first flow orifice plate are sequentially arranged from the first end to the second end of the first drainage pipeline, the first flowmeter is arranged in the first drainage pipeline, and the first flow orifice plate is arranged in the first drainage pipeline.
6. A heating system according to claim 1, characterized in that the heating system further comprises: a siphon disruptor disposed at the second end of the first drain conduit.
7. A heating system according to claim 1, characterized in that the heating system further comprises: the second cooling circuit comprises a third water taking pipeline, a second heat exchanger, a third water draining pipeline, a second cooling water inlet pipeline and a second cooling water outlet pipeline;
the first end of the third water taking pipeline is connected to the fourth position of the first water taking pipeline, the second end of the third water taking pipeline is connected to the first end of the second heat exchanger, the second end of the second heat exchanger is connected with the third water draining pipeline, and the second end of the third water draining pipeline is connected to the fifth position of the first water draining pipeline;
the first end of the second cooling water inlet pipeline is connected with the cooling water pool, the second end of the second cooling water inlet pipeline is connected with the third end of the second heat exchanger, the first end of the second cooling water outlet pipeline is connected with the fourth section of the second heat exchanger, and the second end of the second cooling water outlet pipeline is connected with the treatment pool.
8. A heating system according to claim 7, characterized in that the heating system further comprises: the first end of the inter-row connecting pipe is connected with the sixth position of the first water taking pipeline, and the second end of the inter-row connecting pipe is connected with the seventh position of the third water taking pipeline;
the distance from the sixth location to the first heat exchanger is less than the distance from the fourth location to the first heat exchanger.
9. A heating system according to claim 7, further comprising: the second cooling pump is arranged in the second water taking pipeline.
10. A heating system according to claim 7, wherein the second water intake conduit is provided with at least one control valve.
CN202220249351.6U 2022-01-30 2022-01-30 Heat supply system Active CN216667796U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220249351.6U CN216667796U (en) 2022-01-30 2022-01-30 Heat supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220249351.6U CN216667796U (en) 2022-01-30 2022-01-30 Heat supply system

Publications (1)

Publication Number Publication Date
CN216667796U true CN216667796U (en) 2022-06-03

Family

ID=81763732

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220249351.6U Active CN216667796U (en) 2022-01-30 2022-01-30 Heat supply system

Country Status (1)

Country Link
CN (1) CN216667796U (en)

Similar Documents

Publication Publication Date Title
CN107112059B (en) Shutdown cooling system and nuclear facility with same
CN216667796U (en) Heat supply system
CN216928051U (en) Spent fuel pool cooling and heating system
CN216429784U (en) Natural gas heating device
CN116557942A (en) Heat supply system
CN116564564A (en) Spent fuel pool cooling and heating system
CN213931511U (en) Solar water heating system is assisted to sewage source heat pump
CN219530811U (en) Energy storage and heat supply device
CN111879144A (en) Dehumidification system based on comdenstion water
CN215062311U (en) Energy-saving operation system of gas boiler
CN219550806U (en) Electrode humidifier drainage heat recovery device and electrode humidifier
CN216557321U (en) Vapor-liquid two-phase full-automatic intelligent domestic water machine set
CN215723599U (en) Full-automatic unattended unit
CN215062324U (en) Multi-element cleaning heat supply system based on mixing of gas condensing boiler and medium-deep geothermal heat
CN216977575U (en) Online cleaning device for steam turbine condenser
CN207455690U (en) A kind of energy-saving mixed direct-connected decompression heating equipment of water
CN219640238U (en) Boiler condensate water recovery system
CN217928732U (en) Drive steam condensate recovery system and absorption heat pump drive steam condensate recovery system
CN220649196U (en) Mine water waste heat high-efficiency utilization device
CN211828150U (en) Cooling system
CN108766600B (en) Primary loop water injection system
CN216385164U (en) Steam waste heat recovery device
CN207833934U (en) Power supply refrigeration system
CN219036603U (en) Nuclear power plant double-row low-addition single-drainage-tank multi-drainage-pump drainage system
CN215411835U (en) Exhaust steam recovery energy-saving device of boiler deaerator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant